<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
		        // 100以内的偶数
		        for(var i = 0 ; i <= 100 ; i++){
		            // 是偶数才打印
		            if(i % 2 == 0){
		                console.log(i)
		            }
		        }
		</script>
	</body>
</html>
